UI SC291 Safe Type Requirements for Two-Way Portable Radiotelephone Apparatus for Fire-Fighter\'s Communication (SOLAS Regulation II-2/10.10.4) 用于消防通信的双向便携式无线电话设备的安全类型要求
船级社规范(含中国海事局) / IACS 国际船级社协会
18阅读2024-08-02
